Home / 3,240,140.40-4,471,307.12-1,789,804.62

Finding the Fourth Proportional to 3,240,140.40, 4,471,307.12 and 1,789,804.62

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Solution

The fourth proportional to 3,240,140.40, 4,471,307.12 and 1,789,804.62 is: 2,469,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,140.40 : 4,471,307.12 = 1,789,804.62 : x
  2. Step 2: Convert to fraction form
    3,240,140.40/4,471,307.12 = 1,789,804.62/x
  3. Step 3: Cross multiply
    3,240,140.40x = 4,471,307.12 × 1,789,804.62
  4. Step 4: Simplify right side
    3,240,140.40x = 8,002,766,145,289.41
  5. Step 5: Solve for x
    x = 8,002,766,145,289.41/3,240,140.40
  6. Step 6: Final answer
    x = 2,469,882.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.